This handy one cup infuser is ideal for all situations. Home, work or on the go. Simply place the infuser into your cup or mug add a teaspoon of your favourite loose leaf tea, add your water at the right temperature see here, place the glass lid on top and wait for the suggested brewing time. Once your tea has brewed to perfection remove the infuser using the keep cool handle and rest in the upturned lid which now becomes a coaster. Genius! And very simple.